Joined by son Patrick and niece Caroline, Sen. Edward Kennedy delivers an impassioned address supporting the Illinois senator-- and throwing a few jabs at the Clintons. Watch video above.
Clinton responds: "At the end of the day, this is a contest not among our endorsers but among us as individuals."
Plus: TIME's Karen Tumulty talks with Ted & Caroline Kennedy and Obama after the endorsement. Read it here. Listen to Q&A here.
HALPERIN'S TAKE: Six reasons why the Kennedy endorsement is a big deal.
Kennedy to appear Monday on the Tavis Smiley Show. Check local listings.
